sample-process-models/misc/service-task-with-data-obj/sub-level-sub-process-user-form-schema.json

{
  "title": "Text Field",
  "description": "A simple text field that is required, has a default value, sets a placeholder, includes a description. (field name will be 'firstname')",
  "type": "object",
  "required": [
    "firstName"
  ],
  "properties": {
    "firstName": {
      "type": "string",
      "title": "First name",
      "default": "Chuck"
    }
  }
}